Laser and synchrotron radiation pump-probe x-ray absorption experiment with sub-ns resolution

Christian Bressler; M. Chergui; Phillip Pattison; Michael Wulff; Adriano Filipponi; Rafael Abela

doi:10.1117/12.331845

1 December 1998 Laser and synchrotron radiation pump-probe x-ray absorption experiment with sub-ns resolution

Christian Bressler, M. Chergui, Phillip Pattison, Michael Wulff, Adriano Filipponi, Rafael Abela

Proceedings Volume 3451, Time Structure of X-Ray Sources and Its Applications; (1998) https://doi.org/10.1117/12.331845
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

We present the concept of an experiment that aims at probing in real-time photoinduced structural modifications in a large class of media ranging from biological systems to solid state materials using time-resolved X-ray spectroscopies (Extended X-ray Absorption Fine Structure-EXAFS or X-ray Absorption Near-Edge Structure-XANES) in the picosecond time domain. The principle of the experiment is based on the pump-probe scheme, where an ultrashort laser pulse induces a structural modification in a chemical, physical or biological system. The picosecond hard X-ray pulse from a synchrotron probes the evolution of the structure in real-time by means of an adjustable time delay between the pump and the probe pulses. The paper discusses the case of iodine in liquid solvents as a test bench of the technique.

Citation Download Citation

Christian Bressler, M. Chergui, Phillip Pattison, Michael Wulff, Adriano Filipponi, and Rafael Abela "Laser and synchrotron radiation pump-probe x-ray absorption experiment with sub-ns resolution", Proc. SPIE 3451, Time Structure of X-Ray Sources and Its Applications, (1 December 1998); https://doi.org/10.1117/12.331845

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